2021 Budget Proposal Sri Lanka. Vehicle tax in Sri Lanka 2021 Budget. Budget 2021 Summary. Budget 2021 Sri Lanka Highlights. අයවැය 2021, Government budget, FISCAL MANAGEMENT REPORT 2020 November 21 - රාජ්ය මූල්ය කළමනාකරණ වාර්තාව, அரசிறை முகாமைத்துவ அறிக்கை - 2020 நவம்பர் 17